Lead, Software Integration Engineer

Mastercard Inc.; Maynooth; On-site; EUR 90,000 - 120,000; Full time

Job summary

Mastercard Inc. is seeking a Lead, Quality Engineer to spearhead a high-performing quality engineering team in a modern, microservices-driven payments environment.

You will mentor engineers, drive test automation, CI/CD adoption, and release management while ensuring scalable, user-centric solutions. You will collaborate with cross-functional teams to champion best practices, monitor quality KPIs, and stay current with QE trends.

Qualifications

• 10+ years of experience in software quality engineering, test automation, or software development.
• Proven experience in team building, and mentoring test engineers and working collaboratively as part of development teams.
• Strong understanding of Agile development, microservices architecture, and modern testing methodologies.
• Hands-on experience with: Karate, Selenium, Playwright, Rest Assured; Performance & Resilience: JMeter; Quality & Monitoring: SonarQube; CI/CD: Jenkins, Docker, Kubernetes.

Responsibilities

• Lead end-to-end test automation strategy across the XBS platform, including NFRs like performance, scalability, reliability, security, and availability.
• Foster a collaborative, inclusive, high-performing team culture and mentor engineers.
• Drive in-sprint testing, shift-left quality, and test automation.
• Plan, coordinate, and manage CI/CD pipelines and release management processes.
• Design and implement robust testing frameworks using Karate, Selenium, Playwright, Rest Assured, and AI-based testing tools.
• Monitor Quality KPIs (test coverage, defect leakage, MTTR, release readiness).
• Ensure performance and resilience through JMeter, chaos testing, and contract testing.
• Collaborate with Product Managers, Designers, and Engineers to deliver high-value user experiences.
• Promote TDD, BDD, and quality gates using SonarQube.

Skills

Test automation

Java

JavaScript

Python

CI/CD

DevOps

Team leadership

Education

Bachelor's degree in Computer Science or related field

Tools

Karate

Selenium

Playwright

Rest Assured

JMeter

Chaos testing tools

SonarQube

Jenkins

Docker

Kubernetes

Job description

Our Purpose

_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._

Title and Summary

Lead, Software Integration Engineer

About the Role

We are seeking a Lead, Quality Engineer to lead and scale a high-performing quality engineering team in a modern, agile, microservices-driven environment. This role blends deep technical expertise with people leadership, driving innovation in testing strategies, automation, CI/CD, and release management.

You will be responsible for mentoring engineers, managing performance, and fostering a culture of ownership, collaboration, and continuous improvement. You'll also work closely with cross-functional teams to ensure high-quality, scalable, and user-centric solutions in the payments domain.

Key Responsibilities

• Hands-on role to Lead end-to-end test automation strategy, including tracking and validation of Non-Functional Requirements (NFRs) such as performance, scalability, reliability, security, and availability while implementing robus and scalable test automation suite.


• Foster a collaborative, inclusive, and high-performing team culture.


• Drive in-sprint testing, shift-left quality, and test automation across XBS platform.


• Plan, coordinate, and manage CI/CD pipelines and release management processes to ensure smooth, reliable deployments.


• Design and implement robust testing frameworks using Karate, Selenium, Playwright, Rest Assured, and AI-based testing tools.


• Implement and monitor Quality KPIs (e.g., test coverage, defect leakage, MTTR, release readiness).


• Ensure performance and resilience through JMeter, chaos testing, and contract testing.


• Collaborate with Product Managers, Designers, and Engineers to ensure intuitive, high-value user experiences.


• Promote test-driven development (TDD), behavior-driven development (BDD), and quality gating using tools like SonarQube.


• Continuously evaluate and improve team processes, tools, and testing strategies.


• Stay current with the latest trends in Quality Engineering and proactively recommend and adopt new tools, frameworks, and practices to enhance team capabilities.

What You Bring

• 10+ years of experience in software quality engineering, test automation, or software development.


• Proven experience in team building, and mentoring test engineers and working collaboratively as part of development teams.


• Strong understanding of Agile development, microservices architecture, and modern testing methodologies.


• Hands-on experience with:
  
  
  
  • Automation: Karate, Selenium, Playwright, Rest Assured
  
  
  • Performance & Resilience: JMeter, Chaos testing tools
  
  
  • Quality & Monitoring: SonarQube, Quality Gates, AI-based testing platforms
  
  
  • Languages: Java (preferred) , JavaScript , Python
  
  
  • CI/CD & DevOps: Jenkins, Git, Docker, Kubernetes
  
  
  • Release Management: Coordinating deployments, managing rollback strategies, and ensuring production readiness
  
  
  • Experience with contract testing, API testing, and end-to-end service validation.
  
  
  
  


• Strong analytical, problem-solving, and communication skills.


• Degree in Computer Science, Engineering, or a related technical field.


• Curiosity and initiative to explore emerging QE tools and trends, and the ability to translate them into actionable improvements.

Why Join Us?

• Lead a talented team working on impactful products in the payments technology space.


• Be part of a culture that values innovation, ownership, and continuous learning.


• Access to cutting-edge tools, technologies, and leadership development opportunities.


• Competitive compensation, benefits, and flexible work arrangements.

Mastercard is an equal opportunity employer that values diversity and inclusion. All qualified applicants will be considered without regard to gender, race, ethnicity, religion, sexual orientation, veteran status, disability, or any other protected status.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;


• Ensure the confidentiality and integrity of the information being accessed;


• Report any suspected information security violation or breach, and


• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.